Conspiracy is the default mode of a group of people getting anything done. Every business is a conspiracy. They plot and scheme within their "offices", anonymous buildings with nothing but their name on the front door. They tell no-one what they're doing, beyond legal necessity, and aim to conquer the world by, well, usually the evil plan is to make stuff that people will want to buy.
No organisation conducts all its business in public, whatever its aims. Even if you find one that seems to, dollars to cents you're not looking at its real processes. There needn't be anything sinister in this, although of course sometimes there is.
Every one of us is a conspiracy of one.
"Conspiracy" doesn't mean "people working where you can't tell what they are doing".
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